Custom ISBN Number & Barcode

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As an authorized agent for Bowker, the US ISBN Agency, we’re able to offer our Custom ISBN package: the best and lowest-cost alternative for ISBN purchasing and registration. 

Why pay $150 for an ISBN and barcode through Bowker ($125 for the ISBN and $25 for the barcode) when you can have the exact same ISBN and barcode for $109.99?

Custom ISBN numbers are valid for print books, ebooks, audiobooks, CDs, DVDs and more, and can be used to get your book distributed anywhere in the world.

All ISBN numbers purchased through ISBN Services come with a 100% satisfaction guarantee!

Please Note

Once a Custom ISBN order is placed through Bowker, we are unable to refund purchases.

This package is available for residents of the United States, Puerto Rico, and Guam. If you don’t live in these areas, we invite you to consider our Basic ISBN Package or order an ISBN from your country’s ISBN agency.

Each Custom ISBN Includes

  • 1 13-digit ISBN number
  • High-resolution barcode
  • Your name/publisher name listed in Books In Print database
  • Fast and friendly service
  • 1 business day turnaround

The Process

  1. Your order is received.
  2. After checkout, we’ll send instructions on how to fill out a publisher form we’ll need to process your order.
  3. Your ISBN Services associate will submit your publisher form to Bowker.
  4. Within 1 business day of us submitting the form to Bowker, you’ll receive your ISBN number.
  5. You can then register your book details in the Books In Print database for greater visibility online.

Frequently Asked Questions

What is an ISBN?
ISBN stands for International Standard Book Number and is a 13-digit number that uniquely identifies books and writing-related products.

How many ISBNs do I need?
A single ISBN will cover 1 format of 1 book. So if you’re publishing 1 book in paperback and ebook format, you’ll need 2 ISBN numbers.

Do ISBNs Expire?
ISBNs do not have an expiration date. Once you purchase an ISBN, it will stay in your account forever.

I’m planning to publish in the future. Should I buy my ISBN now, or wait until I’m ready to publish?
You can purchase the ISBN at any time.

Is the charge for the ISBN a recurring or one-time fee?
ISBN only require a one-time fee. There are no recurring charges.


70 review(s)

96% customers recommending this product

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All the reviews

Can’t beat the price, and the timing is impeccable!

Cortland W. 14/04/2023 following an order made on 09/04/2023


Convenient service

Anna Liisa V. 07/04/2023 following an order made on 02/04/2023


I like the time it takes to get the product. It was very easy to order

Viki B. 06/04/2023 following an order made on 02/04/2023


I had no problems before or after purchase, easily downloadable and sharable!

Victoria A G. 06/04/2023 following an order made on 01/04/2023


The ISBN and bar codes met my needs and there is nothing more than anyone could ask for. Thanks to ISBN services.

Lincoln G. 31/03/2023 following an order made on 22/03/2023


Purchased ISBN number, custom.

Nina M. 22/03/2023 following an order made on 17/03/2023


Everything I needed to publish on Kindle (and elsewhere should I choose!). Very satisfied.

Thomas B. 20/03/2023 following an order made on 15/03/2023


The ISBN number was clearly identifiable and the barcode very clear. I am grateful for the information on how to register my book in Books in Print.

Heather G. 10/03/2023 following an order made on 24/02/2023


Although, I did not get my ISBN within a day per what I paid for but I did get what was needed on second day in professionally manner.

Socorro G. 28/02/2023 following an order made on 23/02/2023

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